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Title: The Constrained NMSSM with right-handed neutrinos

Abstract

In this article, we demonstrate that the inclusion of right-handed neutrino superfields in the Next-to-Minimal Supersymmetric Standard Model (NMSSM) makes it possible to impose universality conditions on the soft supersymmetry-breaking parameters at the Grand Unification scale, alleviating many of the problems of the so-called Constrained NMSSM. We have studied the renormalization group equations of this model, showing that right-handed neutrinos greatly contribute to driving the singlet Higgs mass-squared parameter negative, which makes it consider-ably easier to satisfy the conditions for radiative electroweak symmetry breaking. The new fields also lead to larger values of the Standard Model Higgs mass, thus making it easier to reproduce the measured value. As a consequence, all bounds from colliders and low-energy observables can be fulfilled in wide areas of the parameter space. However, the relic density in these regions is generally too high requiring some form of late entropy production to dilute the density of the lightest supersymmetric particle.

Authors:
 [1];  [2];  [3];  [4];  [5]
  1. Durham Univ. (United Kingdom); Autonomous Univ. of Madrid (Spain)
  2. Univ. of Valencia (Spain)
  3. Univ. of Bonn (Germany)
  4. Univ. of Minnesota, Minneapolis, MN (United States)
  5. Hokkaido Univ., Sapporo (Japan)
Publication Date:
Research Org.:
Univ. of Minnesota, Minneapolis, MN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1510010
Grant/Contract Number:  
SC0011842
Resource Type:
Accepted Manuscript
Journal Name:
European Physical Journal. C, Particles and Fields
Additional Journal Information:
Journal Volume: 78; Journal Issue: 4; Journal ID: ISSN 1434-6044
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Cerdeño, David G., De Romeri, Valentina, Martín-Lozano, Víctor, Olive, Keith A., and Seto, Osamu. The Constrained NMSSM with right-handed neutrinos. United States: N. p., 2018. Web. doi:10.1140/epjc/s10052-018-5689-0.
Cerdeño, David G., De Romeri, Valentina, Martín-Lozano, Víctor, Olive, Keith A., & Seto, Osamu. The Constrained NMSSM with right-handed neutrinos. United States. doi:10.1140/epjc/s10052-018-5689-0.
Cerdeño, David G., De Romeri, Valentina, Martín-Lozano, Víctor, Olive, Keith A., and Seto, Osamu. Mon . "The Constrained NMSSM with right-handed neutrinos". United States. doi:10.1140/epjc/s10052-018-5689-0. https://www.osti.gov/servlets/purl/1510010.
@article{osti_1510010,
title = {The Constrained NMSSM with right-handed neutrinos},
author = {Cerdeño, David G. and De Romeri, Valentina and Martín-Lozano, Víctor and Olive, Keith A. and Seto, Osamu},
abstractNote = {In this article, we demonstrate that the inclusion of right-handed neutrino superfields in the Next-to-Minimal Supersymmetric Standard Model (NMSSM) makes it possible to impose universality conditions on the soft supersymmetry-breaking parameters at the Grand Unification scale, alleviating many of the problems of the so-called Constrained NMSSM. We have studied the renormalization group equations of this model, showing that right-handed neutrinos greatly contribute to driving the singlet Higgs mass-squared parameter negative, which makes it consider-ably easier to satisfy the conditions for radiative electroweak symmetry breaking. The new fields also lead to larger values of the Standard Model Higgs mass, thus making it easier to reproduce the measured value. As a consequence, all bounds from colliders and low-energy observables can be fulfilled in wide areas of the parameter space. However, the relic density in these regions is generally too high requiring some form of late entropy production to dilute the density of the lightest supersymmetric particle.},
doi = {10.1140/epjc/s10052-018-5689-0},
journal = {European Physical Journal. C, Particles and Fields},
number = 4,
volume = 78,
place = {United States},
year = {2018},
month = {4}
}

Journal Article:
Free Publicly Available Full Text
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Cited by: 4 works
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Figures / Tables:

Fig. 1 Fig. 1: Two-loop RGE running of the soft Higgs mass parameters, m2Hd, m2Hu, and m2S, imposing the universality condition m0 = 1000 GeV at the GUT scale, with A0 = −3.5 m0, m1/2 = 4500 GeV, and λ = 0.01 (the latter is input at the weak scale). The plotmore » on the left corresponds to the standard NMSSM (i.e., with λN = 0). The plot on the right corresponds to the extended NMSSM with RH neutrinos for λN = (0.0002, 0.6, 0.6), defined at the GUT scale. The value of tan β has been fixed separately in each example in order to achieve universality« less

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    Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.